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What is meant by UNIT=DPERM?


IBM Mainframe Forums -> JCL & VSAM
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Prakash J

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Joined: 23 May 2012
Posts: 14
Location: India

PostPosted: Thu May 24, 2012 9:06 am
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Hi all,

First of all, thanks to administrators of the board for activating my account.

When I was working with some JCLs, I have seen the UNIT parameter like UNIT=DPERM. I've been working with SYSDA, 3390 & TAPE. I've googled for this DPERM and got nothing.

Can anybody explain about this DPERM?


Thank you.
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Nic Clouston

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Joined: 10 May 2007
Posts: 2455
Location: Hampshire, UK

PostPosted: Thu May 24, 2012 11:41 am
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It is probably something invented at that site. By its naming I guess it would be an area for PERManent Dasd datasets.
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Robert Sample

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Joined: 06 Jun 2008
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Location: Dubuque, Iowa, USA

PostPosted: Thu May 24, 2012 2:31 pm
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Googling will get you nothing. That term is a term invented and implemented AT YOUR SITE and there may be no other site int he world using that term.

Unless you talk to someone working AT YOUR SITE, and it is not likely that those of us on this forum work there, you will not be able to get an answer to your question.
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dick scherrer

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Joined: 23 Nov 2006
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Location: Inside the Matrix

PostPosted: Thu May 24, 2012 6:54 pm
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Hello and welcome to the forum,

Suggest you talk with the storage management people. They can tell you which UNIT parameters are available and proper for your use. As the system has "custom" UNIT= values, suggest you use the ones storage management group expects and not the sysda, 3390, etc.
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Prakash J

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Joined: 23 May 2012
Posts: 14
Location: India

PostPosted: Fri May 25, 2012 7:17 am
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Hi Nic, Robert & Dick,

Thank you for your responses.

I would do that now.

- Prakash
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Prakash J

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Joined: 23 May 2012
Posts: 14
Location: India

PostPosted: Sun May 27, 2012 11:58 pm
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Hi,

Sorry for the delay. I was busy with some other things.
I've contacted the support team regarding DPERM. Like Nic said, this term is the custom value for the permanent datasets. And, for some temporary datasets like GDGs (for which some old generations can be deleted after reaching some limit as per the requirement), the value SYSDA will be used.

And, I wanted to know something more about this as how this custom values can be defined, but I couldn't get anything for now.

Anyhow, I got some idea what it is. And, thanks for your prompt responses.

I would like to close this topic now. Can someone let me know how to close this topic?

Thank you,
Prakash
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10803
Location: italy

PostPosted: Mon May 28, 2012 2:32 am
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no need to close anything,
when You post that <somehow> You got the answers You were looking for,
nobody will usually care to post new answers.

but...
most probably 5 or 6 years from now somebody will resurrect the topic with some useless comment icon_cool.gif
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dick scherrer

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Joined: 23 Nov 2006
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Location: Inside the Matrix

PostPosted: Mon May 28, 2012 6:49 am
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Hello,

As a developer, your route to how/what is definedshould be thru your system support people. Developers are seldom involved in assigning UNITs or DATACLASSes, etc (i.e. storage management, system programmers).

Good to hear you found what you needed.
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